TM-11-5820-477-30

• DIRECT SUPPORT MAINTENANCE MANUAL FOR CONTROL, RADIO SET GROUPS AN/GRA-39
• DESTRUCTION NOTICE
• SAFETY STEPS
• WARNING
• TABLE OF CONTENTS
• LIST OF ILLUSTRATIONS
• HOW TO USE THIS MANUAL
• Figure 1-1. Radio Set Control Group AN/GRA-39(*), Typical.
• CHAPTER 1. INTRODUCTION
• Maintenance Forms, Records, and Reports
• Equipment Characteristics, Capabilities and Features
• Figure 1-2. Major Components.
• Differences Between Models
• Telephone Operation Between Sites.
• Figure 1-3. Remote Control Unit C-2328/GRA-39, Block Diagram
• Figure 1-4. Remote Control Units C-2328B/GRA-39 and C-2328C/GRA-39 (with Call Lamp), Block Diagram
• Stage Analysis of Remote Control Unit C-2328(*)/GRA-39
• Tone Generator (Q204 and Q205)
• Battery Voltage Distribution, Remote Control Unit C-2328(*)/GRA-39
• RAD/SPKR Position
• Functioning of Local Control Unit C-2329(*)/GRA-39
• Figure 1-5. Local Control Unit C-2329/GRA-39, Block Diagram
• Figure 1-6. Local Control Units C-2329A/GRA-39, C-2329B/GRA-39 and C-2329C/GRA-39 (with Call Lamp), Block Diagram
• Stage Analysis of Local Control Unit C-2329(*)/GRA-39
• Attenuator
• Battery Voltage Distribution, Local Control Unit C-2329(*)/GRA-39
• CHAPTER 2. DIRECT SUPPORT MAINTENANCE
• Section II. DIRECT SUPPORT TROUBLESHOOTING
• Preliminary Procedures
• Figure 2-1. Component Checks.
• Remote Control Unit Troubleshooting
• Figure 2-2. Remote Control Unit C-2328(*)/GRA-39 Component Location and Voltages (Sheet 1 of 3)
• Figure 2-2. Remote Control Unit C-2328(*)/GRA-39 Component Location and Voltages (Sheet 2 of 3).
• Figure 2-2. Remote Control Unit C-2328(*)/GRA-39 Component Location and Voltages (Sheet 3 of 3).
• Table 2-3. Troubleshooting, Remote Control Unit.
• NO OPERATION FOR ANY POSITION OF TEL-RAD-RAD/SPKR SWITCH.
• RADIO SET SIGNALS ARE NOT RECEIVED BY REMOTE CONTROL UNIT HANDSET EARPIECE.
• Local Control Unit Troubleshooting
• Figure 2-3. Local Control Unit C-2329(*)/GRA-39 Component Location and Voltages (Sheet 1 of 2)
• Figure 2-3. Local Control Unit C-2329(*)/GRA-39 Component Location and Voltages (Sheet 2 of 2).
• Table 2-4. Troubleshooting, Local Control Unit.
• NO OPERATION FOR ANY POSITION OF TEL-REMOTE-RADIO SWITCH.
• RADIO SET TRANSMlTTER IS NOT ENERGIZED BY REMOTE CONTROL UNIT.
• RADIO SET TRANSMlTTER IS ENERGIZED BY REMOTE CONTROL UNIT BUT SIGNALS ARE NOT TRANSMITTED.
• Section III. MAINTENANCE PROCEDURES
• Magneto G101 or G201
• Figure 2-4. Magneto G201 (Remote Control Unit) Replacement.
• Installation
• RF Filter Assembly (A-, B- and C- Models Only)
• Figure 2-6. RF Filter Assembly Components, C-2328B\GRA-39 and C-2329BIGRA-39.
• Figure 2-7. RF Filter Assembly Components, C-2328C/GRA-39 and C-2329C/GRA-39.
• Buzzer Assembly DS101 or DS201
• Figure 2-8. Buzzer Assembly DS1O1 or DS201, Replacement.
• Figure 2-9. Buzzer Adjustment (DS1O1 or DS201).
• Call Lamp Control Relay (A-, B- and C- Models Only)
• Figure 2-10. Call Lamp Control Relay Replacement (A-, B- and C- Models), Typical.
• Chassis Parts Replacement
• Figure 2-11. Remote Control Unit Chassis Component Replacement (Sheet 1 of 3)
• Figure 2-11. Re mote Control Unit Chassis Component Replacement (Sheet 2 of 3).
• Figure 2-11. Remote Control Unit Chassis Component Replacement (Sheet 3 of 3).
• Figure 2-12. Local Control Unit Chassis Component Replacement (Sheet 1 of 2)
• Figure 2-12. Local Control Unit Chassis Component Replacement (Sheet 2 of 2).
• Panel Parts Replacement
• Figure 2-13. Remote Control Unit Panel Assembly Component Replacement.
• Figure 2-14. Local Control Unit Panel Assembly Component Replacement.
• Retractable Battery Cable
• Figure 2-15. Battery Cable Replacement.
• Front and Rear Clamping Catch
• Error in Applying MWO 11-5820-477-30/1
• Figure 2-17. TEL-REMOTE-RADIO Switch S102A of C-2329/GRA-39 and C-2329A/GRA-39, Wiring Diagram.
• To repair equipment that fails the tests-continued
• APPENDIX A. REFERENCES
• Technical Manuals-continued
• APPENDIX B. EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST
• FO-1. Control, Radio Set C-2328/GRA-39 (Remote Control Unit), Schematic Diagram
• FO-2. Control, Radio Set C-2328/GRA-39 (Remote Control Unit), Schematic Diagram
• FO-3. Control, Radio Set C-2328B/GRA-39 (Remote Control Unit), Schematic Diagram
• FO-4. Control, Radio Set C-2328C/GRA-39 (Remote Control Unit), Schematic Diagram
• FO-5. Control, Radio Set C-2329/GRA-39 (Local Control Unit), Schematic Diagram.
• FO-6. Control, Radio Set C-2329A/GRA-39 (Local Control Unit), Schematic Diagram
• FO-7. Control, Radio Set C-2329B/GRA-39 (Local Control Unit), Schematic Diagram.
• FO-8. Control, Radio Set C-2329C/GRA-39 (Local Control Unit), Schematic Diagram
• FO-9. Control, Radio Set C-2328(*)/GRA-39 (Remote Control Unit) Functional Block Diagram
• FO-10. Control, Radio Set C-2329(*)/GRA-39 (Local Control Unit) Functional Block Diagram
• RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS
• RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS
• RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS
• TM-11-5820-477-30
• RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS
• RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS
• RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS
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• Distribution
• RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS
• RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS
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